If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I’m tall when I’m young, and I’m short when I’m old. What am I?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

What does an Island and the letter T have in common?